Question

Only 80 percent Can solve the given Question.Help me if You Can please........​

Answer 1

Answer:

P = {,11,12,13,14,15}

Q = {10,12,14,16,18}

R = {7,9,11,14,18,20}

P-Q is the set all elements that belongs to P but not to Q

P-Q = {11,13,15}

Hope this helps